diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0a0e86640..09344ad7c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.26.0-8"
-export PIKA_PACKAGE_NAME="rustup"
+export PIKA_PACKAGE_VERSION="0.5.0-1"
+export PIKA_PACKAGE_NAME="rust-enum-unitary"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"